HQRP Battery for VXI Blue Parrott Xpressway, Blue-Parrot Xpress-way Bluetooth Wireless Headset, 933029310914 A1055404aa, Parot, Parrot plus HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 250mAh ; Li-Pol; ompatible with Original Battery; 200 Days warranty!